Which of the following is a disadvantages of mass method

Which of the following is a disadvantages of mass method

A It is very expensive to operate
B It is not time consuming
C Larger audience can be reached
D Does not necessarily require the presence of an agent

jamb 2022 agricultural-science

The correct answer is A. It is very expensive to operate

The other options are advantages of mass method except that it is very expensive to operate

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